Environmental sensors: Air, Water, Soil, …

The lab has sensors for many different gases (NOx, COx, O3, vapors, alcohol, …), e.g. http://www.figarosensor.com/products/sensor/

These are used in projects uch as our Bicycle Air Quality Monitor, http://bAIR.dk

Water sensors include temperature, pH, dissolved oxygen, conductivity, ammonia, nitrite, and others,
https://www.atlas-scientific.com/

Other sensors relevant for agricultural and environmental research include:
soil humidity, temperature, light intensities in various parts of the spectrum, …